The global flue gas analyzer market was valued at USD 632.42 million in 2019 and is expected to reach USD 926.52 million by 2026, expanding at a CAGR of 6.28% during the forecast period, 2020–2026. A flue gas analyzer is a diagnostic device which measures the concentration of emitted gas from flue or stack into the atmosphere from industrial application. The device analyzes and monitors the different gases emitted on various parameters such as poison index of gas, efficiency, losses and excess air amount.